12 free dive guides
Dive Guides
Region briefs, dive-planning checklists, and operator-vetted picks from across the world.
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DestinationsDiving the Similan Islands: Best Sites and Seasons
Complete guide to diving Thailand's Similan Islands: the annual park closure, top dive sites, park fees, liveaboard options, and how to get there.
Trip PlanningBest Time to Dive the Great Barrier Reef: Visibility and Seasonal Guide
Navigate the Great Barrier Reef dive season: visibility by month, minke whales, manta season, coral spawning, stinger season, reef fees, and reef health.
GearHow to Choose the Right BCD: Back Inflate vs Jacket Styles
Compare jacket, back-inflate and backplate-and-wing BCDs. Lift capacity, ditchable weight, real 2026 prices, servicing, and how to actually test one before buying.
Destinations
6DestinationsDiving the Similan Islands: Best Sites and Seasons
Complete guide to diving Thailand's Similan Islands: the annual park closure, top dive sites, park fees, liveaboard options, and how to get there.
DestinationsManta Ray Diving in the Maldives: Best Atolls and Seasonal Guide
Plan your Maldives manta trip: the Hanifaru rules (snorkel only), the real monsoon geography, where oceanic mantas actually are, fees, and the code of conduct.
DestinationsHammerhead Shark Diving the Galápagos: Seasons, Sites & Strategy
Dive with scalloped hammerheads in the Galápagos. Real park fees, the liveaboard-only rule, experience prerequisites, seasons, and what Darwin and Wolf demand.
DestinationsWhale Shark Diving in Oslob, Philippines: A Complete Diver's Guide
What Oslob's whale shark encounter actually involves: the provisioning, the research on its harms, the real fees and rules, and the wild alternatives at Donsol and Southern Leyte.
DestinationsMola Mola Diving in Nusa Penida: Plan Your Sunfish Season
Dive Nusa Penida for sunfish in season. The real species, the downcurrent danger at Crystal Bay, depth and certification requirements, and the interaction code.
DestinationsThe Best Time to Dive Bali: A Month-by-Month Guide
When to dive Bali for sunfish, manta rays, the USAT Liberty and Menjangan. Month by month, by region, with fees, cold-water reality and the altitude rule everyone forgets.
Skills & Training
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Skills & TrainingDrift Diving Techniques: How to Read Currents and Stay Safe
Master drift diving in strong currents. Learn negative entries, downcurrent escape, DSMB deployment, and how to get picked up safely by your boat.
Skills & TrainingPADI vs SSI Certification: Which Agency Is Right for Your Dive Career?
PADI vs SSI compared honestly: the real prerequisites, ages and depth limits, the affiliation rule that matters for a dive career, costs, and what ISO recognition means.
Gear
2GearHow to Choose the Right BCD: Back Inflate vs Jacket Styles
Compare jacket, back-inflate and backplate-and-wing BCDs. Lift capacity, ditchable weight, real 2026 prices, servicing, and how to actually test one before buying.
GearHow to Read a Dive Computer: Air Integration and Deco Explained
Master your dive computer's displays: NDL, ascent rate, safety stops, deco ceilings, nitrox PO2 and MOD, no-fly time, and what to do when it fails.
Trip Planning
2Trip PlanningBest Time to Dive the Great Barrier Reef: Visibility and Seasonal Guide
Navigate the Great Barrier Reef dive season: visibility by month, minke whales, manta season, coral spawning, stinger season, reef fees, and reef health.
Trip PlanningRed Sea Liveaboard vs Shore Diving: How to Choose
Red Sea liveaboards vs shore diving: real 2026 costs, park fees, the Brothers/Daedalus prerequisites, vessel safety vetting, and when to actually go.
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